Two-factor Authentication (TFA) (7.x-2.3) - en to cy translation catalogue (4 entries)

en: Save configuration
cy: Cadw ffurfweddiad

en: Session opened for %name.
cy: Sesiwn wedi ei agor i %name.

en: Order
cy: Trefn

en: Session closed for %name.
cy: Mae'r sesiwn wedi ei gau i %name.
